60 Minutes: 07/22

60 Minutes - Full Audio show

Summary: After nearly 25 years in prison, Michael Morton was exonerated by a DNA test. Did a prosecutor hide evidence that could have proven Morton's innocence during his 1987 trial? Lara Logan reports. "No gold, no wedding," is a saying in India, indicating the importance of gold to Indian culture and tradition. Byron Pitts reports on India's obsession with gold. The Olympic gold swimmer is back to a strict training regimen after a lull that included skipping practice and uncertainty about returning to the games. Anderson Cooper reports.